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Numbers n such that Mordell's equation y^2 = x^3 - n has exactly 22 integral solutions.
2

%I #43 Aug 17 2024 23:01:27

%S 3807,3896,52784,129556,157239,167600,185112,200871,281439,314199,

%T 347967,370647,399375,553648,623872,720703,815728,819775,856799,

%U 934975,994816

%N Numbers n such that Mordell's equation y^2 = x^3 - n has exactly 22 integral solutions.

%C Counting (+x,+y) and (+x,-y) iff y != 0.

%H J. Gebel, <a href="/A001014/a001014.txt">Integer points on Mordell curves</a> [Cached copy, after the original web site tnt.math.se.tmu.ac.jp was shut down in 2017]

%H Jose Aranda, <a href="/A179174/a179174_3.cpp.txt">C++ Program</a>

%Y Subsequence of A007412.

%Y Cf. A081120, A081121, A179163-A179175, A134107, A106265.

%K hard,more,nonn

%O 1,1

%A _Artur Jasinski_, Jun 30 2010

%E Edited by _Ray Chandler_, Jul 11 2010

%E a(3)-a(21) from _Jose Aranda_, Aug 10 2024

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Last modified September 24 03:45 EDT 2024. Contains 376185 sequences. (Running on oeis4.)